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Thread: ITB( individual throttle body)

  1. #1
    DX User
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    1986 honda accord dx
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    ITB( individual throttle body)

    hello, i have a 86 dx with the A20A1 in it, and im looking to go the itb route, now my question's are,
    1.) what set of carbs have other people ran? and what route did you take?
    2.) what size jetting should i start with once installed?
    3.) any tips/ tricks? mistakes that other people have made that i can avoid?


    the reason i want to go this route is because its getting harder to find a weber and im not really wanting something with a electric choke, and my current stock carbs have a vacuum leak on one of the seals. plus i love the look and sound of itbs



  2. #2
    DX User
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    1986 honda accord dx
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    Re: ITB( individual throttle body)

    Im looking at a set of CB650sc carbs off of a honda nighthawk but are unsure on how welll they would preform

  3. #3


    Join Date
    Nov 2004
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    88 LXi
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    Knoxville TN
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    Re: ITB( individual throttle body)

    Hello and welcome to the forums.

    There been some posts on 4 carb setups on and off. Searching thru the carb section should get you going.
    1988 Lxi owner since August 1995
    336k miles running strong!
    Now running E85.

    Oldblueaccord

  4. #4

    ShiRen's Avatar
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    87 Accord DX / 18 Civic Type R
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    Re: ITB( individual throttle body)

    It will be quite a project, but those will work, you will just need to rejet them, not hard there, just a trial and error tune basically.
    I am not familiar with the carbs that come on that bike, but 99% of 4cyl bike carbs from the past 20 years are just fine, as long as they have plenty of adjustment. The best carb you can find would be a keihin fcr slide carb though, that's what you will see on a lot of ae86 4ag cars in japan
    Last edited by ShiRen; 06-04-2021 at 06:07 AM.

  5. #5
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    Re: ITB( individual throttle body)

    thank you.

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